Figure 3 | Scientific Reports

Figure 3

From: Advanced P Wave Detection in Ecg Signals During Pathology: Evaluation in Different Arrhythmia Contexts

Figure 3

The example of the phase signal (gray color) obtained from the original ECG signal (black color) after PT application. Phase signal is ready for P wave detection. The third, fourth, and the fifth P wave, which are not clearly visible in the original ECG signal, are notably enhanced and easily detectable in the phase signal. PT is provided only for the segments demarcated according to QRS complex positions.

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